Fluorine-lined safety valvescan also be called PTFE safety valves, which are mainly suitable for various acid, alkali, and strong corrosive media (any organic solvents or reagents, dilute or concentrated inorganic acids, alkalis, ketones, aromatic hydrocarbons, chlorinated hydrocarbons, etc.; operating temperature: -85～150℃), used in chemicals, chlorine, toxic media, etc.

Shanghai Wuyue PTFE lined safety valveis a special safety valvefor the chemical industry, which can be customized according to customer needs. This valve can be made of PTFE lined and fully lined with PTFE. The PTFE lined safety valve is made of super corrosion-resistant material. It is resistant to liquid chlorine, hydrochloric acid, etc. The internal material is made of 3MM-3.5MM thick PFA.F46, which strengthens the valve's corrosion resistance and extends the valve's service life.

In addition to PTFE lined safety valve DN125 lined with tetrafluorochlorine special safety valve, Shanghai Wuyue DN150-DN200 large-diameter bellows spring type PTFE lined safety valve can also be customized for American, German, Japanese, Korean, and British standards. Equal PTFE lined safety valve, the material of PTFE lined safety valve is commonly used models A41F46-16C, A42F46-16C, A21F46-16C, A40F46-16C, etc.

Theapplicable temperature of fluorine-lined safety valveis: 80℃-130℃ Specification: DN40mm-100mm

A41F46, A42F46 spring full-open closed fluorine-lined safety valve type is suitable for equipment or pipelines with corrosive media at operating temperature ≤130℃, as an overpressure protection device.

A42F46-16C fluorine lined safety valve is suitable for: chemical, chlorine, toxic medium pipeline system.

The PTFE-lined safety valveis a special safety valve developed by Shanghai Wuyue Pump & Valve Company in the chemical industry. The fluorine-lined safety valve is mainly used for pressure equipment, pressure vessels and pipelines of high-risk corrosive media such as chlor-alkali chemicals, liquid chlorine, and hydrochloric acid. Automatic pressure release device. In the key part, the material is fully lined with PTFE (PFA\F46), which is resistant to liquid chlorine, hydrochloric acid, and strong corrosive media. The valve body is lined with PTFE to increase the corrosion resistance.

Corrosion resistance: The inside of the valve body, valve core, valve disc, and valve stem are fully lined with 2.5~3mm thick PFA and F46, which can resist corrosive media such as liquid chlorine and hydrochloric acid.

Main features of fluorine-lined safety valve:

1. Corrosion resistance: The valve body cavity, valve core, valve disc, and valve stem are fully lined with 2.5~3mm thick PFA and F46, which are resistant to corrosive media such as liquid ammonia and hydrochloric acid.

2. Anti-leakage performance: The valve's anti-leakage performance adopts double seals of corrosion-resistant PFA, F46 bellows and fluorine rubber O-rings, and is equipped with an anti-leakage back pressure sealing device to ensure no leakage.

3. Sealing performance: Since the valve core and seat adopts a fully lined tetrafluoroethylene (PFA, F46) soft sealing performance structure, the leakage is lower than the level IV leakage standard in the national standard GB/T4213.

Application fields of fluorine-lined safety valve:

It is used for the adjustment and control of corrosive, harmful, pure and small amount of solid media in the chemical industry such as chlor-alkali, liquid chlorine, and hydrochloric acid.

This fluorine-lined safety valve is especially suitable for:

1. As a substitute for expensive rare metal (Hastelloy, titanium, nickel, Monel, tantalum alloy) valves.

2. Used for corrosive media that are toxic and harmful to the environment.

3. Medium used to react with metals, such as high-risk medium such as hydrochloric acid and liquid chlorine.

4. Used in applications where cleanness and surface anti-adhesion are required in bioengineering and pure media.

5. Used for high permeability media.

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